[Unusual doubt] Prevx icons

I created two batch files and two shortcuts (for the batch files): One to stop Prevx and the other one to start Prevx on request.

I extracted the icons from prevx.exe to get the ones with green and red colors, so that I could apply the green one to the shortcut that triggers the batch file that will start Prevx, and to apply the red one to the shortcut that triggers the batch file stopping Prevx.

The thing is, they're really low resolution and far from being good looking. I'm talking about the circle-like icons. There are two with good resolution (shield-like icons).

Are there any official icons with higher resolution?

For you to know better which icons I'm referring to, see these two screenshots: